Ingalahalli, G., and C. S. Bagewadi. “On Generalized Sasakian Space Forms With Concircular and Projective Curvature Tensor”. International Journal of Maps in Mathematics 1, no. 2 (September 24, 2018): 162–174. Accessed May 4, 2024. https://journalmim.com/index.php/journalMIM/article/view/19.